<!DOCTYPE html>
<html  xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8" />
    <title>Insert title here</title>
</head>
<body>
<p>Hello!<span th:text="${userName}"></span>!<br />访问模拟r2的页面</p>
</body>
</html>